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Table 3 Characteristics of patients according to whether they received pre-hospital antibiotic treatment or not.

From: Pre-hospital antibiotic treatment and mortality caused by invasive meningococcal disease, adjusting for indication bias

Variable

Pre-hospital antibiotic use

No pre-hospital antibiotic use

Gender (% male)

50.4

53.8

Age, mean (years)

9.6

10.2

Fever

95.6

96.1

Nausea/Vomiting

82.3

74.1

Petechiae

46.5

52.6

Headache

45.6

37.8

Low level of consciousness

39.8

39.2

Cold-like symptoms

16.8

14.3

Pharyngoamygdalitis

30.5

8

Arthralgia

11.9

13.8

Neck stiffness

13.3

6.6

Irritability

3.1

6.9

Convulsions

3.5

4.7

Time first symptoms to in-hospital antibiotics, mean (hours)

38.5

26.6

Definite cases

77.9

89.1

  1. Categoric variables, such as symptoms, are given in percentages